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USD201720S - Collapsible film transparency viewer - Google Patents

Collapsible film transparency viewer Download PDF

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Publication number
USD201720S
USD201720S US D201720 S USD201720 S US D201720S
Authority
US
United States
Prior art keywords
film transparency
collapsible film
transparency viewer
viewer
collapsible
Prior art date
Application number
Inventor
Louis E. Wilder
Original Assignee
Interlock Productions Incorporated
Filing date
Publication date

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Description

5 M a 10, N 0y QM D d United States Patent 0 ice COLLAPSIBLE FILM TRANSPARENCY VIEWER Louis E. Wilder, Glen Ellyn, Ill., assignor to Interlock Productions Incorporated, Chicago, Ill.
Filed May 27, 1964, Ser. No. 80,182
Term of patent 7 years (Cl. D61-1) FIG. 1 is a front perspective view of a collapsible film References Cited y the Examiner transparency viewer showing my new design; and UNITED STATES TS FIG. 2 is a rear perspective view thereof. 1 claim: The ornamental design for a collapsible film trans ency viewer, as shown.
D. 130,987 12/41 Dennis D6l-1 D. 142,543 10/45 Bechtell D61-1 par- D. 183,267 7/58 Raber et al. D611 EDWIN H. HUNTER, Primary Examiner.

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